void Update()
{
if (Input.GetMouseButton(0))
{
Ray ray = GetComponent <Camera>().ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, cam.farClipPlane))
{
//Debug.Log(hit.point);
var tc = PTHelpers.GetHeightmapCoord(hit.point);
var x = (int)Mathf.Clamp(Mathf.Floor(tc.x * 512) - 16, 0f, 480f);
var y = (int)Mathf.Clamp(Mathf.Floor(tc.y * 512) - 16, 0f, 480f);
var cur = tex.GetPixels(
x,
y,
32,
32);
for (var i = 0; i < 1024; i++)
{
cur[i].r = cur[i].g = cur[i].b = Mathf.Clamp(cur[i].r + (brush[i] * strength), 0f, 1f);
}
tex.SetPixels(
x,
y,
32,
32,
cur);
byte[] bytes = tex.EncodeToPNG();
File.WriteAllBytes(Application.dataPath + "/PlanetTex.png", bytes);
ps.UpdateTerrain();
}
}
}
private void UpdateVisibility()
{
var horizonAngle = Mathf.Acos(p.radius / Camera.main.transform.position.magnitude) * Mathf.Rad2Deg;
if (!Application.isPlaying || PTHelpers.GetAngle(d) < horizonAngle + 15f)
{
isVisible = true;
if (!mr.enabled)
{
mr.enabled = true;
PTHelpers.segmentCount++;
}
}
else
{
isVisible = false;
if (mr.enabled)
{
mr.enabled = false;
PTHelpers.segmentCount--;
}
}
}
public static float GetHeight(Vector3 p, float radius, DisplacementLayer[] displace)
{
if (displace != null)
{
float maxHeight = 0f;
float addedHeight = 0f;
for (var i = 0; i < displace.Length; i++)
{
var d = displace[i];
var strength = 1f;
if (maxHeight > 0f)
{
strength = d.heightStrength.Evaluate(addedHeight / maxHeight);
}
if (d.noise == NOISE.Perlin)
{
addedHeight += d.height * Noise.Perlin(d.detail * p.x + d.seed, d.detail * p.y, d.detail * p.z) * strength;
}
else if (d.noise == NOISE.Worley)
{
addedHeight += d.height * Noise.Worley(d.detail * p.x + d.seed, d.detail * p.y, d.detail * p.z) * strength;
}
else if (d.noise == NOISE.FractalMapped)
{
addedHeight += d.height * Noise.FractalMapped(d.detail * p.x + d.seed, d.detail * p.y, d.detail * p.z) * strength;
}
else
{
var np = PTHelpers.GetHeightmapCoord(p);
addedHeight += d.height * d.texture.GetPixelBilinear(np.x, np.y).grayscale;
}
maxHeight += d.height;
}
return(radius + addedHeight);
}
return(radius);
}
private IEnumerator SubdivideDecider()
{
// Decide if the mesh should be subdivided
if (!Application.isPlaying || p.minSubdivisions - d.subdivision > 0 || (Application.isPlaying && isVisible && p.maxSubdivisions - d.subdivision > 0 && PTHelpers.GetDistance(d) < PTHelpers.GetSize(d)))
{
if (segments.Count == 0)
{
if (Application.isPlaying)
{
yield return(StartCoroutine(SubdivideSegment(d)));
}
else
{
IEnumerator e = SubdivideSegment(d);
while (e.MoveNext())
{
;
}
}
}
else
{
for (var i = 0; i < segments.Count; i++)
{
yield return(StartCoroutine(segments[i].Generate()));
}
}
}
else
{
if (segments.Count > 0)
{
while (segments.Count > 0)
{
segments[0].Disable();
segments.RemoveAt(0);
}
if (mc != null)
{
mc.enabled = true;
}
UpdateVisibility();
}
}
}
